Patents by Inventor Reinhold R. Durr

Reinhold R. Durr has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for mounting flexible printing plates on a forme cylinder
    Patent number: 5396843
    Abstract: A method and apparatus for mounting flexible printing plates on a forme cylinder utilizes one or more insert bars that are positioned in cylinder grooves. Each insert bar has a pair of tensioning bars which are biased circumferentially toward each other. An inflatable tube is positioned between the tensioning bars and upon inflation will spread plate engaging hooked ends of the tensioning bars apart from each other.
    Type: Grant
    Filed: December 22, 1993
    Date of Patent: March 14, 1995
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventor: Reinhold R. Durr
  • Chambered doctor blade
    Patent number: 5325775
    Abstract: A chambered doctor blade for a short inking unit of a rotary press includes an ink receiving chamber and a profiled body positioned in the chamber. The shapes of the profiled body and the ink receiving chamber are complementary and define an ink flow path. This path is tapered in the direction of ink flow and provides a forced circulation of the ink through the tapered flow path.
    Type: Grant
    Filed: January 5, 1993
    Date of Patent: July 5, 1994
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Heinrich K. Grosshauser, Reinhold R. Durr, Thomas Kubert
  • Pressure fluid supply valve assembly
    Patent number: 5255604
    Abstract: A pressure fluid supply valve assembly is supported by a cylindrical sleeve that is concentric with an axle journal of a printing unit cylinder. A fluid under pressure is supplied to a generally tubular or cylindrical housing and causes a movable valve member to move into contact with the axle journal. The pressure fluid passes through an outlet in the valve member into radial and axial pressure fluid ducts in the cylinder.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: October 26, 1993
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventor: Reinhold R. Durr